Surname Sieven (Sieven 
) , globally, is a rare last name. The last name Sieven is characteristic of Germany, where it is a rare surname, the United States, where it is an extremely rare surname, and Canada. Not in comparison with a country's population, the name is most common in Germany, the United States, and India. Very seldom, Sieven is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sieven | Germany, Spain, Philippines, United States, India |